text: /*
   * Copyright 2019 The Opentls Project Authors. All Rights Reserved.
   *
   * Licensed under the Apache License 2.0 (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.opentls.org/source/license.html
   */
  
  #include <opentls/des.h>
  #include "crypto/des_platform.h"
  
  /* TODO(3.0) Figure out what flags need to be here */
  #define TDES_FLAGS (EVP_CIPH_RAND_KEY)
  
  typedef struct prov_des_ctx_st {
      PROV_CIPHER_CTX base;      /* Must be first */
      union {
          Otls_UNION_ALIGN;
          DES_key_schedule ks;
      } dks;
      union {
          void (*cbc) (const void *, void *, size_t,
                       const DES_key_schedule *, unsigned char *);
      } dstream;
  
  } PROV_DES_CTX;
  
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_cbc(void);
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_ecb(void);
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_ofb64(void);
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_cfb64(void);
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_cfb1(void);
  const PROV_CIPHER_HW *PROV_CIPHER_HW_des_cfb8(void);
  